1. Voz do Gráfico. Informativo do Sindicato dos Gráficos., 1987 September.

1. Voz do Gráfico. Informativo do Sindicato dos Gráficos., 1987 September., Box: 18. Eduardo Sarno Collection of Leftist Movements in Brazil, 2002-03. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/374183 Accessed September 26, 2026.